StarCraft 2: Heart of the Swarm overview video shows off the new units

StarCraft w: Heart of the Swarm is getting new units, and Kotaku has posted a video showing off the new units in multiplayer. The closed beta is currently available only to a select set, and regular players base will soon be able to get in on the action, according to Blizzard. StarCraft 2: Heart of the Swarm has not been dated but we might see it before the end of the year.